Battery-well.



C. A.'CHR|STOFFERSON & W. M. MCCUNTOCK BATTERY WELL.

APPLICATION FILED DEC. 8. I9I3- RENEWED SEPT. 28. 1914. 1,158,894.

Patented Nov. 2, 1915.

CHRISTIAN A. CHRISTOFFERSON AND WILLIAM M. MINNESOTA.

McCLINTOCK, or ST. PAUL,

BATTERY-WELL.

Specification of Letters Patent.

' Patented aw. 2;1915.

Application filed December 8, 1913, Serial No. 805,412. Renewed September 28, 1914. Serial No. 864,001.

To all whom it may concern. Be it known that we, CHRISTIAN A. CHRIS- rorrnnsox and \VILLIAH M. McCLINTocK, citizens of the United States, residents of St. Paul. county of Ramsey, State of Minnesota.- have invented certain new and useful Improvements in Batteryells, of which the following is a specification.-

The object of our invention is to provide a battery well of comparatively light construction and easily handled, but at the same time capable of withstanding the lateral pressure to which wells of this type, buried in the ground, are ordinarily subjected.

A further-object is to provide a well which will be durable and capable of withstanding the frost and moisture of a cold climate.

The invention consists generally in various constructions and combinations, all as hereinafter described and particularly pointed out in the claims.

In the accompanying drawings forming part of this specification, Figure 1 is a vertical sectional view, through a battery well embodying our invention, taken on the section line substantially of ww of Fig. 2, Fig. 2 is a sectional view on the line y-y of Fig. 1. I

In the drawing, 2 represents the outer shell or cylinder of the well. This is formed preferably of a grade of iron that is practically pure. thereby avoidingelectrolytic and chemicalaction and greatly increasing the life of the shell. To increase the strength of this shell and at the-same time form dead air spaces, the middle of the shell is provided with a series of annular corrugations extending from the bottom to the top of the well. This shell is inserted into an excavation in the ground. The corrugations are preferably annular or circumferentially arranged in the wall of the shell, and when the well is buried in the ground, the soil will be forced in between the corrugations and becoming packed therein, will resist the upward movement of the shell arising from the action of water or frost. 3 rep resents a disk, preferably of wood, connected by a series of bars 4 with a similar disk having a central opening 6 therein. These disks and bars. form a skeleton frame that is wrapped with a moisture-proof paper or cloth 7 suitably impregnated with a com pound that is impervious to moisture. Suitand thetbatteries connected to the able-shelving 8 is arranged upon the bars 4 around the skeleton frame, supported by upright rails 9 which surround a central opening 10 in the well.

Between the moisture the skeleton frame and the outer shell a.v series of dead air spaces 11 are provided in the corrugations of the shell, which operate as a heat insulating meansand also protect the battery cells from frost and cold air. A metal plate 12 is provided beneath the wooden disk 3 and adapted to rest upon the lower corrugations of the metal shell or jacket.

he shelving frame is also provided with a third disk 13, spaced a suitable distance from the disk 5 and forming a dead air chamber at the top of the well and insulating the battery cells at that point. This proof wrapping for disk 13 has suitable cover sections 14: and

the opening 6 in the disk 5 is also provided with a cover 15. Through these openings access may be had to the interior of the cell. The disk 5 has a metal plate 16 at the top and a corrugated neck 17 is mounted on the disk 5 and encircles the opening 6 and projects a suitable distanceabove the ground line, and is provided with a cover 18. A pipe 19 extends down through the top of the wall to receive a cable for connection with the battery.

In the manufacture of this well, the frame work, wrapped with the heat or cold insulating material, gated cylinder and the metallic disk 16 with the neck 17 thereon is then secured in place to the top of the cylinder-wall. The joints at the top and bottom of the well are made water-tight by soldering or by suitable ce ment, or by welding with the oxy-acetylene process. When this has been done, the well is ready to be lowered into the excavation circuit. A well of this type is comparatively light in weight, and but little effort is required to handle it. It is impervious to molsture and is also protected thoroughly by the heat insulating material, while at the top an insulating space is provided between the upper and the adjacent disk.

We claim as our invention:

1. A battery well comprising a metallic shell adapted to be buried in the ground and having a series of annular corrugations formed therein, a frame composed of upright bars, and battery shelves fitting withis inserted into the corruing. an inner insulating dis and an outer metallic disk provided with a water-proof joint with the lower end of said shell, the top of said battery frame having an inner insulating disk and an outer'metallic disk also ]oined to said corrugated shell,

said upper disk having an opening therein, a neck encircling said opening and secured to said metallic disk and an insulating wrapping encircling said battery frame between it and said corrugated shell, there being a dead air space between said corrugations and said wrapping.

3. A battery well comprising an outer shell having a series of horizontal corrugations thereinand a shelving fittin within said shell and comprising vertical ars' and an insulating wrapping therefor, said wrapping being adjacent to said corrugations an forming therewith a dead air space in the Walls of said well, said shelving also having disks or heads at the top and bottom of said well, the upper disk having an opening through which access may be had to said well.

4:. A battery well comprising ashell adapt-.

ed to be buried in the ground and having an opening in its top and provided in its walls with a series of annular corrugations, the soil becoming packed between the ribs of said corrugations and resisting the upward movement of said shell, an insulated battery supporting shelving arranged within said shell, and a cover for saidtop.

' 5. A battery well comprising a shell adapted to be buried in the ground having an insulating wrapping a series of corrugations therein, a battery supporting shelving arranged Wlthl'lsaid shell, and insulating wrapping interposed between said shell and said shelving, there being dead air spaces formed between sai wrapping and the walls of said corrugations. 6. A' battery well comprising a s ell, adapted to be buried in the ground, and having a series of annular corrugations formed therein, a battery supporting shelving arranged within said shell, a cover for sai shell having an opening therein through which access may be had to said shelving, a neck encircling said opening and projecting above the ground line, and a cover'for said v neck.

7 A battery well comprising an outer shell having a series of horizontal corrugations therein, and a battery supporting shelving fitting within said shell, and an insulating wrapping for said shelving, disks provided at the top and bottom of said shelving, the upper disk having an opening through which access may be ha and to the interior of said well.

8. A battery well comprising a shell adapted to be buried. in the ground and having a series of corrugations therein, a battery-supporting shelving arranged within said shell, a cover for said therein through which access may be had to said shelving, a neck encircling said opening, and a cover for said neck.

to said shelving shell having an opening 9. A battery well comprising ashell adapted to be buried in the ground, a battery-supporting shelving arranged for said shelvmg, top of said shelving a disk provided in the within said shell," s5.

and having an opening through which access may be had to said shelving, and a cover for said well.

In witness whereof, we have hereunto set our hands this 22nd day of November, 1913. a CHRISTIAN A. CHBISTOFFERSON.

. WILLIAM M- MGCLINTOOK.

\Vitnesses: P. J. MOCABE, LOUIS JOHNSON. 

